Here's what rhymes with betray.
play re lay pray ray prey tray yea ley rei drei lei rea tre bray dray brae roue trey they may day way say pay delay display j array bay clay gay gray grey k che hay nay spray weigh ballet stray fay fe fray slay allay defray dey hey sei sleigh whey bj bk jay kc payee rj tae tj wei bey flay neigh belay cay fey shay splay byplay aurae away stay today decay essay obey okay dismay portray repay sway astray oj valet bouquet disarray fillet ij ok papillae passe dossier fj puree replay zwei parquet filet inveigh airplay moray patellae prepay purvey toupee hooray briquet hurray medullae outplay reweigh spay umbrae aweigh bobsleigh misplay survey cafe interplay vertebrae attache cliche disobey overlay cabaret naturae saute underlay alleyway crochet croquet fistulae risque soiree souffle wordplay fibulae nisei pleurae sachet sorbet soubriquet stingray underplay noway overplay sickbay urethrae layaway outstay copay penumbrae tearaway respray anyway convey everyday holiday halfway runaway underway faraway lamellae passageway protege waterway emigre francais gangway matinee nebulae toothache breakaway getaway lingerie sobriquet caraway carriageway giveaway hideaway ricochet throwaway resurvey stowaway flyaway overpay roundelay caesurae underpay copulae yesterday sequelae microarray maxillae scapulae straightaway workaday cabriolet castaway takeaway macrame overstay uvulae foldaway walkaway tarantulae formulae naivete societe trabeculae cybercafe communique salmonellae companionway caravanserais